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APA Citation
Mathey, G., Ancel, T., Garot, T., Soudant, M., Pittion‐Vouyovitch, S., Guillemin, F., Debouverie, M., & Epstein, J. (2021). clinical and radiological activity of secondary progressive multiple sclerosis in a population‐based cohort. European journal of neurology, 28, 2238–2248. http://access.bl.uk/ark:/81055/vdc_100132668677.0x000028